Textile winding machine



Dec. 25, 1962 Filed Jan. 31, 1961 J. K. P. MACKIE TEXTILE WINDING MACHINE 3. Sheets-Sheet 1 A tlornqxi Dec. 25, 1962 J. K. P. MACKIE TEXTILE WINDING MACHINE 3.Sheets-Sheet 2 Filed Jan. 31, 1961 MQK Dec. 25, 1962, J. K. P. MACKIE 3,070,319

TEXTILE WINDING MACHINE Filed. Jan. 51, 1961 asheets-sheet s United States Patent 3,070,319 TEXTILE WINDING MACHINE John Kay PringleMackie, Belfast, Northern Ireland,-assignor to James Mackie & Sons Limited, Belfast, Northern Ireland Filed Jan. .31, 1961, Ser. No. 86,013 Claims priority, application Great Britain Feb. 4, 1960 7 Claims. (Cl. 242-18) This invention relates to textile winding machines. In yarn winding machine for the production of cones,

cheeses and like packages by laying the yarn through the' agency of a traversing device on a rotary spindle, it ismotor shaft and speed control means are provided which move away from the axis of the spindle as the diameter of the package increases and, in so doing, cause the motor to be moved relatively to the spindle and thus allow the pulley to adjust itself to a larger diameter and decrease the angular velocity of the spindle.

As the diameter of the package grows, the yarn traversing member must be moved away from the axis of the spindle and, therefore, it is most convenient for that member to be used as the speed control means.

In the preferred form of the invention, the motor is carried by a pivotally mounted bracket the angular position of which determines the position of the motor relatively to the spindle. This bracket is suspended from a part whichpartakes of the movement of or moves with the traversing member towards and away from thespindle, by a flexible member such as a chain so that as the packagegrows, the motor is lifted towards the spindle. The expansible pulley has a pair of cheeks which are spring urged towards each other so that as the motor rises, the cheeks are brought closer to each other to increase the effective diameter of the pulley and to decrease the angular speed of the spindle.

The relationship between package diameter and yarn speed can be kept constant or be varied in accordance with any desired law. To maintain the desired relationship, it is generally required that the movement of the motor towards the spindle be a non-linear function of the movement of the speed control means away from the spindle. This can be provided for very simply in the arrangement envisaged above in which the motor is suspended by a chain or the like by causing that chain to pass over a suitably designed cam surface on the speed control means serving to vary the elfective length of the chain at different angular settings of the speed control means.

Two examples of machines in accordance with the invention will now be described with reference to the accompanying drawings in which:

FIGURE 1 is a diagrammatic elevation form of machine;

FIGURE 2 is a side elevation of the parts with which the invention is particularly concerned; and

FIGURE 3 is a sketch of the vital parts of another form of machine.

The drawings show yarn being wound on to a centre 12 on a spindle 14. The spindle is driven by a motor 16 through a belt 18 and the yarn is laid on the centre by a traversing member 20 which is reciprocated along the spindle by mean-ssuch as aroller having an endless groove or scroll'within a casing '24 and driven from the spindle 14. These means form' no part of this invention. The casing 24 is carried by a two-armed bracket 26- pivotally mounted at '28. It has a roller 30 which bears against the package being formed'on the centre 12 so that i urged'towards'the check 34 by a spring 38. Y At the beginning of the winding of a package, whe

as'the' diameter of the package increases thebracket 26 is caused to turn clockwise on its pivot 28.

The motor 16 is carried by a soleplate or bracket 17 which is pivotally mounted at 32 and is connected by a,

chain 33 to an arm 27 of the bracket 26.. As the package increases in size and the bracket 26 swings clockwise, the motor bracket 17 is thus also caused to swing clockwise and the motor to be moved towards the spindle 14 as shown in chain lines in FIGURE 2.

The motor drives the spindle through the belt 18-and an expansible pulley having two cheeks 34, 36 which .define a- V-shaped groove. spindle'14 both axially and circumferentially. The check. 36, however, is free to-slide along'the spindle and is the parts are in the positions shown in full lines; the pack-F age is at its smallest diameter and the checks of the expansible pulley are at their'niaxi'mum distance apart and the efiective diameter of that pulley is at its smallest. As; the package grows the parts move into the positions shown in chain lines in the drawings. The cheeks of the ex-; pansible pulley are forced towards "each other-by the: spring 38 so that=the effective diameter of the pulley is increased and the angular speed of the package is 'de-..

creased. t

I The arm 27 of the bracket 26 terminatesin a cam face 40 against which the chain 33 bears The shape of this cam face determines the relationship between the move-: ment of the traversing member20 and that of the motorand by appropriate design any desired relationshipcan bev established. w I v On removal of a finished package from the machine, the parts resume the full-line positions under the influence of the weight of the casing 24 and the motor against the action of the spring 38 of the expansible pulley That spring could, of course, be replaced by any equivalent such as a pneumatic or electromagnetic device.

FIGURE 3 shows diagrammatically the lay-out of the vital parts of a modified winding machine in which the expansible pulley is on the motor shaft instead of on the spindle.

The spindle is shown at 14 and the traversing mechanism at 24, the latter, as before being carried by a lever 26, 27 having a pivot 28. The motor 16 is carried by a bracket 17 pivotally mounted at 32 but, in this case, it is above instead of below the spindle. The expansible pulley 34, 36 is on the motor shaft and is connected to an ordinary pulley on the spindle by a belt 18. The motor bracket 17 is suspended by a chain 33 which passes over a runner 42 and is attached to the arm 27 of the traversing mechanism carrying lever. The end face 40 of the arm 27 forms a cam similar to the cam face 40 shown lIl FIGURE 2. Thus, the arrangement shown here duplicates that of FIGURE 2 part for part but the disposition of the parts is different.

As the package grows, the lever 26, 27 is turned clockwise as is the motor bracket 17. The driving belt 18 is thus brought further down into the groove of the expansible pulley and the angular speed of the spindle is reduced.

I claim:

1. A yarn winding machine for the production of cones, cheeses and like packages comprising a rotary spindle, means for travering the yarn along the spindle, an expansible driving pulley on said spindle, means continuously tending to expand the effective diameter of said pul- ..Patented Dec. 25, 1962' The cheek 34 is fixed tothe:

ley, a motor mounted forsubstantially vertical movement towards and away .from said pulley, a flexible driving member connecting said motor to said pulley, pivotally mounted speed control means arranged for pivotal movement in response to increase in diameter of the package being wound and a link connecting said speed control means and said motor whereby increase in diameter of the package results in movement of said motor relatively to said pulley, expansion of the effective diameter of said pulley and reduction in the angular velocity of the spindle.

2. A yarn winding machine for the production of cones, cheeses and like packages comprising a rotary spindle, yarn traversing means mounted for reciprocation along said spindle, pivotally mounted means carrying said traversing means adapted, as the package thereon increases in diameter to be swung in a direction to cause the traversing means to move away from the spindle, a motor, an expansible pulley on said spindle, a belt transmitting power from said motor to said pulley, a bracket supporting said motor mounted for pivotal movement, a link suspending said motor bracket from said pivotally mounted means so that pivotal movement of said last-mentioned means causing the traversing means to move away from the axis of thespindle results in pivotal movement of the bracket bringing the motor towards-said pulley in a substantially vertical'path and means continuously tending to expand the efiective diameter of said pulley and thereby to 'keep said belt ltensioned inspite of the movement of the motor towards the pulley and to decrease the driving transmis' sion ratio.

3. A yarn winding machine as 'claimedin claim 2 in which the-said link is flexible and bears against the face of a cam moving with the said pivotally mounted means so as 'to influence the movement of the motor bracket occasioned by increase in thediameter of the package.

4. A yarn winding machine for the production of cones, cheeses and like packages comprising a rotary spindle, yarn traversing means mounted .for reciprocation along "said spindle and .for movement away from said spindle as the package increases in diameter :and a motor driving said spindle directly through a belt and an expansible pulley, said motor being carried by a pivotally mounted bracket connected by a link to said yarn traversing means so that the weight of the motor urges the traversing means towards the spindle and "so that move ment of said yarn traversing means away from said spin dle causes pivotal movement of said motor bracket and substantially vertical movement of said motor and alteration of the effective diameter of said pulley with consequent reduction in the angular velocity of the spindle.

5. A yarn winding machine for the production of cones, cheeses and like packages comprising a rotary spindle, yarn traversing means mounted for reciprocation along said spindle and for movement away from said spindle as the package increases in diameter and a motor driving said spindle directly through a belt and an expansible pulley on said spindle said motor being carried by a pivotally mounted bracket connected by a link to said yarn traversing means so that the weight of the motor urges the traversing means towards the spindle and so that movement of said yarn traversing means away from said spindle causes pivotal movement of said bracket in a direction to cause substantially vertical movement of said motor towards said spindle and alteration of the efiective diameter of said pulley with consequent reduction in the angular velocity of the spindle.

6. A yarn winding machine .as claimed in claim 4 in which the said expansible pulley is carried by said spindle and the said substantially vertical movement of said motor is a movement towards the spindle.

7. -A yarn winding machine as claimed in claim 4 in which the said expansible pulley is carried by said motor shaft and the said substantially vertical movement of said motor is a movement away from the spindle,

References Cited in the file of this patent UNITED STATES PATENTS 2,018,852 Hart Oct. 29, 1935 2,026,155 Abbott Dec. 31, 1935 2,175,551 Perry Oct. 10, 1939 2,564,033 Roberts Aug. 14, 1951 2,568,960 Kershaw Sept. 25, 1951 FOREIGN .P-ATENTS 448,079 Great Britain June 2, 1936 560,026 Germany Sept. 27, 1932 571,581 Germany Mar. 2, 1933 582,585 Germany Aug. 17, 1933 

